Investigating Pt/Pumice catalyst for efficient 3-methyl-1-butanol conversion

Mardjan Paputungan; Akram La Kilo

doi:10.29303/aca.v7i2.162

Investigating Pt/Pumice catalyst for efficient 3-methyl-1-butanol conversion

Authors

Mardjan Paputungan , Akram La Kilo

DOI:

10.29303/aca.v7i2.162

Published:

2024-10-31

Issue:

Vol. 7 No. 2 (2024)

Keywords:

Modified Pt/pumice catalyst, conversion activity test, 3-methyl-1-butanol

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Paputungan, M., & La Kilo, A. (2024). Investigating Pt/Pumice catalyst for efficient 3-methyl-1-butanol conversion. Acta Chimica Asiana, 7(2), 494–501. https://doi.org/10.29303/aca.v7i2.162

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Abstract

The objective of this study was to obtain a modified Pt/pumice catalyst to support the conversion reaction of 3-methyl-1-butanol under specific reaction conditions. To achieve this objective, the first step involved preparing modified pumice catalyst pellets by impregnating them with Pt metal followed by activation at a temperature of 500 °C. The second step involved characterizing the Pt/pumice catalyst, including the surface distribution of Pt metal using SEM. The third step involved conducting the catalyst activity test against 3-methyl-1-butanol in a reactor (furnace) at temperatures ranging from 400 to 500°C with a flow system for the feed. The fourth step involved analyzing the conversion results using GC-MS chromatograms. The research results showed that the Si/Al ratio in the modified Pt/Pumice catalyst using a PtCl₄ solution with a concentration of 0.0321 M for impregnation was 4:1, compared to 4.8:1 for Pt/Zeolite and 3.2:1 for Pt/ABP. The modified catalyst activity test for 3-methyl-1-butanol showed the following conversion results: Pt/Pumice 27.63%, Pt/Zeolite 23.85%, Pt/Black Pumice 14.81%, and for platinum catalyst, the conversion was 22.35%. These results indicated that the highest conversion was observed in the treated sample A-3 under the reaction condition of 450°C. The conversion products analyzed using GC-MS showed the presence of three molecules: 3-methylbutanal, 2-methylbutanal, and anhydrous isobutanoate.

References

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Investigating Pt/Pumice catalyst for efficient 3-methyl-1-butanol conversion

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